package com.example.demo.test;


import cn.hutool.core.util.StrUtil;

import java.util.ArrayList;
import java.util.List;

/**
 * @description 数组测试
 *
 * @author lilinchun
 * @date 2023/09/13
 */
public class demo4 {


    public static void main(String[] args) {
        String newExpectMeet = null;
        List<String> list = new ArrayList<>();
        System.out.println(list);
        if (list != null) {
            System.out.println("11111111111111111111");
            newExpectMeet = String.join(",", list);
            if (StrUtil.isBlank(newExpectMeet)) {
                newExpectMeet = "";
            }
        }
        System.out.println(newExpectMeet);
    }
}
